Messages in this thread | | | Date | Tue, 29 Jun 2021 09:27:00 +0200 | From | Greg KH <> | Subject | Re: [PATCH] fpga: dfl: fme: Fix cpu hotplug issue in performance reporting |
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On Tue, Jun 29, 2021 at 12:45:20PM +0530, kajoljain wrote: > > > On 6/28/21 3:47 PM, Kajol Jain wrote: > > The performance reporting driver added cpu hotplug > > feature but it didn't add pmu migration call in cpu > > offline function. > > This can create an issue incase the current designated > > cpu being used to collect fme pmu data got offline, > > as based on current code we are not migrating fme pmu to > > new target cpu. Because of that perf will still try to > > fetch data from that offline cpu and hence we will not > > get counter data. > > > > Patch fixed this issue by adding pmu_migrate_context call > > in fme_perf_offline_cpu function. > > > > Adding stable@vger.kernel.org in cc list as suggested by Moritz Fischer.
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This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.
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